2 - vonRoll hydro

10. Correct positioning of the sealing ringImmediately after installation as described in section 8, the distance (U)between the end of the socket and the sealing ring should be checkedusing the control gauge (A)The distance (U) must be consistent over the whole of the pipe’scircumference.If the measured distance (U) is not consistent, the push-in jointconnection must be dismantled and installed anew.11. Deflection of the connection for installations without thrust-resisting jointsAfter assembling and checking have been completed,the pipe can be deflected.The permissible angles of deviation are as follows: 5° for DN 80 – 300 (with Tyton seal) 4° for DN 350 – 400 (with Tyton seal) 3° for DN 500 – 700 (with Tyton seal)For connection deviation for installations with thrust-resistingrings see section 12.12. Fitting of external and internal thrust-resisting ringsExternal and internal thrust-resisting rings can be additionally fitted tothe push-in joint.These thrust-resisting rings provide a secure connection under highoperating pressure.For permissible operating pressures see "Information for planners andpiping installers".Thrust-resisting rings may only be fitted to pipes and adapter fittingswith spigots that are made of ductile cast iron.12.1 Internal thrust-resisting rings (Fig. 2807)Preparation and installation of sealing ring as describedin sections 1 – 6.- Lubrication of the thrust-resisting ring chamber.- Make a bulge in the thrust-resisting ring (C) by pinching it by hand.Attention!The bulge must lie between two locking segments.Subject to alteration without noticephone +41 62 388 14 00, fax +41 62 388 14 20, www.vonroll-hydro.ch, info@vonroll-hydro.ch 2/12.6